If you follow the link to the data analysis [1] you’ll see that the argument is based on higher rated players. Low rated players have much higher variance in their rating and can improve by quite a lot, just by learning to stop blundering. That’s basically the situation you’re in.
Getting to 2000 rating is going to be quite a mountain to climb for you, unless you’re very young.
Getting to 2000 rating is going to be quite a mountain to climb for you, unless you’re very young.
[1] https://github.com/jcw024/lichess_database_ETL/blob/main/REA...